Description

11-Chloroundecanoic Acid Trimethylsilyl Ester is a versatile organosilicon-protected fatty acid derivative, serving as a critical synthetic intermediate. Its value lies in the dual functionality provided by the reactive chloromethyl group and the silyl-protected carboxylic acid, enabling precise, multi-step organic synthesis. This compound is essential for researchers and manufacturers in the pharmaceutical, agrochemical, and advanced materials sectors who require high-purity building blocks for complex molecule assembly.

Application

• Pharmaceutical Intermediate: Key building block for the synthesis of bioactive molecules, prodrugs, and modified fatty acids with targeted therapeutic properties.
• Agrochemical Synthesis: Used in the production of specialized surfactants, plant growth regulators, and pesticide precursors.
• Polymer & Material Science: Serves as a monomer or modifier for creating functionalized polymers, silicone hybrids, and surface coatings with specific chemical resistance or adhesion properties.
• Organic Synthesis Reagent: Employed in peptide coupling strategies and as a protected carboxylic acid synthon in multi-step reactions, where selective deprotection is required.
• Lubricant & Additive Precursor: Intermediate for manufacturing high-performance ester-based lubricants and functional additives.
• Cross-coupling Reactions: Substrate for palladium-catalyzed reactions, such as Heck or Suzuki couplings, to create complex organic architectures.

Basic Information

Item	Detail
Product Name	11-Chloroundecanoic Acid Trimethylsilyl Ester
CAS No.	26305-98-6
Molecular Formula	C14H29ClO2Si
Molecular Weight	292.92 g/mol
Synonyms	Trimethylsilyl 11-chloroundecanoate; 11-Chloroundecanoic Acid TMS Ester; Undecanoic acid, 11-chloro-, trimethylsilyl ester; 11-Chloro-undecanoic acid trimethylsilyl ester; TMS-11-chloroundecanoate; (Trimethylsilyl) 11-chloroundecanoate; 11-Chloro-1-trimethylsilyloxy-1-oxoundecane
EINECS	Contact for details

Quality Control

Every batch of 11-Chloroundecanoic Acid Trimethylsilyl Ester is produced and tested under a strict quality management system. We ensure high chemical purity and consistency through advanced analytical techniques including GC, HPLC, and NMR spectroscopy. A comprehensive Certificate of Analysis (COA) detailing identity, purity, and impurity profiles is provided with each shipment to guarantee it meets your specific research or production requirements.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at room temperature (15-25°C). This product is hygroscopic (moisture-sensitive) and must be kept under an inert atmosphere (e.g., nitrogen or argon) after opening to prevent degradation.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Purity (GC/HPLC)	≥ 95.0%
Water Content (KF)	≤ 0.5%

Note: Specifications can be tailored. Please contact us for the detailed technical data sheet of a specific grade.